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发明人李文辉,张德明,陈志强. "A Process for Preparing High-Purity 3-Chloro-5-((4-methylpiperazin-1-yl)sulfonyl)pyridin-4-amine" [P]. 中国发明专利, 专利号 CN 111007302 A, 授权公告日 2017-05-12.
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